An event of device deformity during implant was reported.A returned device assessment could not be performed as the device remains implanted and was not returned for analysis.The device history record was reviewed to ensure that each manufacturing and inspection operation was performed and the product met all specifications.Based on the information received, the root cause of the reported event could not be conclusively determined.There is no indication of a product quality issue with regards to manufacture, design, or labeling.Information from field indicated that it was thought the device may return to its original shape under tension and released the device from the delivery system.The device maintained the cobra shape.Please note that per the instructions for use, "warning: do not release the occluder from the delivery cable if: - more than 3 mm of the occluder extend into the pulmonary artery.- the occluder extends more than halfway across the pulmonary artery.- left pulmonary artery flow is more than 3 m/s or more than 75% greater than the velocity before cardiac catheterization.- the occluder does not conform to its original configuration.- the occluder¿s position is unstable.If any of these conditions exists, recapture the occluder by advancing the sheath over the occluder.Redeploy the occluder.If the occluder's configuration or position remains unsatisfactory, recapture and replace the occluder with a new one."na.
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